[Intel-gfx] [PATCH v2 2/5] drm/i915/fixed: prefer kernel types over stdint types

Rodrigo Vivi rodrigo.vivi at intel.com
Fri Nov 16 19:27:20 UTC 2018


On Fri, Nov 16, 2018 at 02:07:26PM +0200, Jani Nikula wrote:
> While at it, conform to kernel spacing (i.e. no space) after cast. No
> functional changes.

could we do a sed or cocinelle patch for a massive update on this?

> 
> Reviewed-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_fixed.h | 61 +++++++++++++++++++--------------------
>  1 file changed, 29 insertions(+), 32 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_fixed.h b/drivers/gpu/drm/i915/i915_fixed.h
> index c974e51c6d8b..6c914940b4a9 100644
> --- a/drivers/gpu/drm/i915/i915_fixed.h
> +++ b/drivers/gpu/drm/i915/i915_fixed.h
> @@ -7,7 +7,7 @@
>  #define _I915_FIXED_H_
>  
>  typedef struct {
> -	uint32_t val;
> +	u32 val;
>  } uint_fixed_16_16_t;
>  
>  #define FP_16_16_MAX ({ \
> @@ -23,7 +23,7 @@ static inline bool is_fixed16_zero(uint_fixed_16_16_t val)
>  	return false;
>  }
>  
> -static inline uint_fixed_16_16_t u32_to_fixed16(uint32_t val)
> +static inline uint_fixed_16_16_t u32_to_fixed16(u32 val)
>  {
>  	uint_fixed_16_16_t fp;
>  
> @@ -33,12 +33,12 @@ static inline uint_fixed_16_16_t u32_to_fixed16(uint32_t val)
>  	return fp;
>  }
>  
> -static inline uint32_t fixed16_to_u32_round_up(uint_fixed_16_16_t fp)
> +static inline u32 fixed16_to_u32_round_up(uint_fixed_16_16_t fp)
>  {
>  	return DIV_ROUND_UP(fp.val, 1 << 16);
>  }
>  
> -static inline uint32_t fixed16_to_u32(uint_fixed_16_16_t fp)
> +static inline u32 fixed16_to_u32(uint_fixed_16_16_t fp)
>  {
>  	return fp.val >> 16;
>  }
> @@ -61,86 +61,83 @@ static inline uint_fixed_16_16_t max_fixed16(uint_fixed_16_16_t max1,
>  	return max;
>  }
>  
> -static inline uint_fixed_16_16_t clamp_u64_to_fixed16(uint64_t val)
> +static inline uint_fixed_16_16_t clamp_u64_to_fixed16(u64 val)
>  {
>  	uint_fixed_16_16_t fp;
>  	WARN_ON(val > U32_MAX);
> -	fp.val = (uint32_t) val;
> +	fp.val = (u32)val;
>  	return fp;
>  }
>  
> -static inline uint32_t div_round_up_fixed16(uint_fixed_16_16_t val,
> -					    uint_fixed_16_16_t d)
> +static inline u32 div_round_up_fixed16(uint_fixed_16_16_t val,
> +				       uint_fixed_16_16_t d)
>  {
>  	return DIV_ROUND_UP(val.val, d.val);
>  }
>  
> -static inline uint32_t mul_round_up_u32_fixed16(uint32_t val,
> -						uint_fixed_16_16_t mul)
> +static inline u32 mul_round_up_u32_fixed16(u32 val, uint_fixed_16_16_t mul)
>  {
> -	uint64_t intermediate_val;
> +	u64 intermediate_val;
>  
> -	intermediate_val = (uint64_t) val * mul.val;
> +	intermediate_val = (u64)val * mul.val;
>  	intermediate_val = DIV_ROUND_UP_ULL(intermediate_val, 1 << 16);
>  	WARN_ON(intermediate_val > U32_MAX);
> -	return (uint32_t) intermediate_val;
> +	return (u32)intermediate_val;
>  }
>  
>  static inline uint_fixed_16_16_t mul_fixed16(uint_fixed_16_16_t val,
>  					     uint_fixed_16_16_t mul)
>  {
> -	uint64_t intermediate_val;
> +	u64 intermediate_val;
>  
> -	intermediate_val = (uint64_t) val.val * mul.val;
> +	intermediate_val = (u64)val.val * mul.val;
>  	intermediate_val = intermediate_val >> 16;
>  	return clamp_u64_to_fixed16(intermediate_val);
>  }
>  
> -static inline uint_fixed_16_16_t div_fixed16(uint32_t val, uint32_t d)
> +static inline uint_fixed_16_16_t div_fixed16(u32 val, u32 d)
>  {
> -	uint64_t interm_val;
> +	u64 interm_val;
>  
> -	interm_val = (uint64_t)val << 16;
> +	interm_val = (u64)val << 16;
>  	interm_val = DIV_ROUND_UP_ULL(interm_val, d);
>  	return clamp_u64_to_fixed16(interm_val);
>  }
>  
> -static inline uint32_t div_round_up_u32_fixed16(uint32_t val,
> -						uint_fixed_16_16_t d)
> +static inline u32 div_round_up_u32_fixed16(u32 val, uint_fixed_16_16_t d)
>  {
> -	uint64_t interm_val;
> +	u64 interm_val;
>  
> -	interm_val = (uint64_t)val << 16;
> +	interm_val = (u64)val << 16;
>  	interm_val = DIV_ROUND_UP_ULL(interm_val, d.val);
>  	WARN_ON(interm_val > U32_MAX);
> -	return (uint32_t) interm_val;
> +	return (u32)interm_val;
>  }
>  
> -static inline uint_fixed_16_16_t mul_u32_fixed16(uint32_t val,
> -						 uint_fixed_16_16_t mul)
> +static inline uint_fixed_16_16_t mul_u32_fixed16(u32 val, uint_fixed_16_16_t mul)
>  {
> -	uint64_t intermediate_val;
> +	u64 intermediate_val;
>  
> -	intermediate_val = (uint64_t) val * mul.val;
> +	intermediate_val = (u64)val * mul.val;
>  	return clamp_u64_to_fixed16(intermediate_val);
>  }
>  
>  static inline uint_fixed_16_16_t add_fixed16(uint_fixed_16_16_t add1,
>  					     uint_fixed_16_16_t add2)
>  {
> -	uint64_t interm_sum;
> +	u64 interm_sum;
>  
> -	interm_sum = (uint64_t) add1.val + add2.val;
> +	interm_sum = (u64)add1.val + add2.val;
>  	return clamp_u64_to_fixed16(interm_sum);
>  }
>  
>  static inline uint_fixed_16_16_t add_fixed16_u32(uint_fixed_16_16_t add1,
> -						 uint32_t add2)
> +						 u32 add2)
>  {
> -	uint64_t interm_sum;
> +	u64 interm_sum;
>  	uint_fixed_16_16_t interm_add2 = u32_to_fixed16(add2);
>  
> -	interm_sum = (uint64_t) add1.val + interm_add2.val;
> +	interm_sum = (u64)add1.val + interm_add2.val;
>  	return clamp_u64_to_fixed16(interm_sum);
>  }
>  
> -- 
> 2.11.0
> 
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